#2819B4#2819B4

#2819B4 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.9% C 0.221 H 272.4°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#2819B4
RGB	rgb(40, 25, 180)
HSL	hsl(246, 76%, 40%)
HSV	hsv(246, 86%, 71%)
CMYK	cmyk(77.8%, 86.1%, 0%, 29.4%)
CIE-LAB	lab(25.08, 54.64, -76.51)
CIE-LCH	lch(25.08, 94.02, 305.53°)
OKLab	oklab(37.86% 0.0093 -0.2212)
OKLCH	oklch(37.86% 0.221 272.4)
XYZ	xyz(9.4582, 4.4406, 43.5298)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2819B4 #A5B419

analogous

#1958B4 #2819B4 #7519B4

triadic

#2819B4 #B42819 #19B428

tetradic

#2819B4 #B41958 #A5B419 #19B475

square

#2819B4 #B41958 #A5B419 #19B475

split-complementary

#2819B4 #B47519 #58B419

monochromatic

#100A49 #1C127E #2819B4 #3B29E1 #6C5FE9

Accessibility & contrast

On white

11.12

#2819B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2819B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2819B4

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2819B4	#FFFFFF	#000000	##FFFFFF
##2819B4	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B8

Deuteranopia (green-blind)

#0034B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2819b4;
/* rgb */ color: rgb(40, 25, 180);
/* oklch */ color: oklch(37.9% 0.221 272.4);

Tailwind

colors: {
  custom: {
    50: '#7c5dcc',
    500: '#2819b4',
    950: '#000000',
  },
}

SCSS

$custom: #2819b4;
$custom-light: #7c5dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2819b4",
  "rgb": {
    "r": 40,
    "g": 25,
    "b": 180
  },
  "hsl": {
    "h": 245.806,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.37862,
    "c": 0.22144,
    "h": 272.4
  },
  "luminance": 0.04442
}

Semantic roles & 50–950 ramp

primary

#2819B4

secondary

#C2CD5C

accent

#F236E0

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #2819B4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →